See also:

Active seat ventilation
Switching on Press the button once for each ventilation level. The highest level is active when three LEDs are lit. Switching off Press the button longer. The LEDs go out. ...

Maintenance
Maintain the vehicle regularly to sustain the road safety, operational reliability and the New Vehicle Limited Warranty. Specifications for required maintenance measures: > BMW Maintenance syst ...

Screw thread
Push out the cover by pressing on the top edge. ...